Aug 12 Georg Christoph Leuttner, German ecclesiastical composer, born in Tölz, Bavaria (d. undoubtedly) Aug 12 Heinrich Ignaz Franz von Biber, Bohemian-Austrian violinist and composer, baptized in Wartenberg (d. 1704) May 1644 Birthdays in Music by Year Sep 1644 Famous Singers Country Singers Jazz Singers Opera Singers Pop Singers Rappers Rock Singers